Bioecología de Epilachna difficilis (Coleoptera: Coccinellidae: Epilachninae) en el Centro-Occidente de México

Epilachna difficilis se registro por primera vez en Bonplandia geminiflora (Polemoniaceae). Para estudiar aspectos biologicos y ecologicos de la especie, durante 2011, se establecieron muestreos semanales en la barranca “La Gloria”, Sahuayo, Michoacan, Mexico, y estudios complementarios se condujeron en laboratorio. El primer registro de E. difficilis se observo a mediados de agosto y el ultimo a principios de diciembre. La defoliacion de B. geminiflora fue del 38,0-98,5 %. Se registraron seis especies de depredadores: Podisus congrex, Podisus brevispinus, Oplomus dichrous, Oplomus pulcher (Hemiptera: Pentatomidae: Asopinae), Pselliopus nigropictus y Rocconota sp. (Hemiptera: Reduviidae). La temperatura y la precipitacion se correlacionaron positivamente (r = 0,8 y 0,6, respectivamente), con los picos de mayor poblacion. Sin embargo, E. difficilis mostro amplia gama de adaptabilidad a diferentes regiones y climas donde crece su planta hospedera. En laboratorio, se registraron cinco estadios larvarios durante 25,95 dias; el ciclo de vida se completo en 37,8 ± 1,7 dias. De cinco especies de cultivos evaluados, solo el pepino sufrio danos (30,0 %) por los adultos, aunque todos los insectos murieron despues. Este es el primer estudio bioecologico de E. difficilis. Los resultados pudieran ser utiles en el control biologico de plagas relacionadas como lo es E. varivestis.

• Publication year

  2017

• Venue

  Revista Colombiana De Entomologia

• Publication date

  2017-07-30

• Fields of study

  Not labeled

• Identifiers
  DOI 10.25100/SOCOLEN.V43I1.6653
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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